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Electrical Insulation

STOKELECTRIC | PI
POLYIMIDE

High-Temperature Polyimide Foil

STOKELECTRIC PI film provides ultra‑thin, high‑temperature electrical insulation for high‑density battery systems. It withstands up to 180 °C and offers excellent dielectric strength. Ideal for compact areas with demanding thermal and electrical loads.

Product Specifications

Material Polyimide
Thickness in mm 0.025 to 0.1
Temperature range in °C -40 to 180
Breakdown voltage kV/mm > 75
Volume resistivity in Ohm-cm 10 E+15
Flammability VTM-0
Water absorption in % 3 to 10
CTI 100 to 175

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